1 /*****************************************************************************
2 * RRDtool 1.0.33 Copyright Tobias Oetiker, 1997 - 2000
3 *****************************************************************************
4 * change header parameters of an rrd
5 *****************************************************************************
8 * Revision 1.2 2001/03/04 13:01:55 oetiker
9 * Aberrant Behavior Detection support. A brief overview added to rrdtool.pod.
10 * Major updates to rrd_update.c, rrd_create.c. Minor update to other core files.
11 * This is backwards compatible! But new files using the Aberrant stuff are not readable
12 * by old rrdtool versions. See http://cricket.sourceforge.net/aberrant/rrd_hw.htm
13 * -- Jake Brutlag <jakeb@corp.webtv.net>
15 * Revision 1.1.1.1 2001/02/25 22:25:06 oetiker
18 *****************************************************************************/
22 int set_hwarg(rrd_t *rrd,enum cf_en cf,enum rra_par_en rra_par,char *arg);
23 int set_deltaarg(rrd_t *rrd,enum rra_par_en rra_par,char *arg);
24 int set_windowarg(rrd_t *rrd,enum rra_par_en,char *arg);
27 rrd_tune(int argc, char **argv)
34 char ds_nam[DS_NAM_SIZE];
35 char ds_new[DS_NAM_SIZE];
42 if(rrd_open(argv[1],&rrd_file,&rrd, RRD_READWRITE)==-1){
48 static struct option long_options[] =
50 {"heartbeat", required_argument, 0, 'h'},
51 {"minimum", required_argument, 0, 'i'},
52 {"maximum", required_argument, 0, 'a'},
53 {"data-source-type", required_argument, 0, 'd'},
54 {"data-source-rename", required_argument, 0, 'r'},
55 /* added parameter tuning options for aberrant behavior detection */
56 {"deltapos",required_argument,0,'p'},
57 {"deltaneg",required_argument,0,'n'},
58 {"window-length",required_argument,0,'w'},
59 {"failure-threshold",required_argument,0,'f'},
60 {"alpha",required_argument,0,'x'},
61 {"beta",required_argument,0,'y'},
62 {"gamma",required_argument,0,'z'},
67 opt = getopt_long(argc, argv, "h:i:a:d:r:p:n:w:f:x:y:z:",
68 long_options, &option_index);
75 if ((matches = sscanf(optarg, DS_NAM_FMT ":%ld",ds_nam,&heartbeat)) != 2){
76 rrd_set_error("invalid arguments for heartbeat");
81 if ((ds=ds_match(&rrd,ds_nam))==-1){
86 rrd.ds_def[ds].par[DS_mrhb_cnt].u_cnt = heartbeat;
90 if ((matches = sscanf(optarg,DS_NAM_FMT ":%lf",ds_nam,&min)) <1){
91 rrd_set_error("invalid arguments for minimum ds value");
96 if ((ds=ds_match(&rrd,ds_nam))==-1){
104 rrd.ds_def[ds].par[DS_min_val].u_val = min;
108 if ((matches = sscanf(optarg, DS_NAM_FMT ":%lf",ds_nam,&max)) <1){
109 rrd_set_error("invalid arguments for maximum ds value");
114 if ((ds=ds_match(&rrd,ds_nam))==-1){
121 rrd.ds_def[ds].par[DS_max_val].u_val = max;
125 if ((matches = sscanf(optarg, DS_NAM_FMT ":" DST_FMT ,ds_nam,dst)) != 2){
126 rrd_set_error("invalid arguments for data source type");
131 if ((ds=ds_match(&rrd,ds_nam))==-1){
136 if (dst_conv(dst) == -1){
141 strncpy(rrd.ds_def[ds].dst,dst,DST_SIZE-1);
142 rrd.ds_def[ds].dst[DST_SIZE-1]='\0';
144 rrd.pdp_prep[ds].last_ds[0] = 'U';
145 rrd.pdp_prep[ds].last_ds[1] = 'N';
146 rrd.pdp_prep[ds].last_ds[2] = 'K';
147 rrd.pdp_prep[ds].last_ds[3] = 'N';
148 rrd.pdp_prep[ds].last_ds[4] = '\0';
153 sscanf(optarg,DS_NAM_FMT ":" DS_NAM_FMT , ds_nam,ds_new)) != 2){
154 rrd_set_error("invalid arguments for data source type");
159 if ((ds=ds_match(&rrd,ds_nam))==-1){
164 strncpy(rrd.ds_def[ds].ds_nam,ds_new,DS_NAM_SIZE-1);
165 rrd.ds_def[ds].ds_nam[DS_NAM_SIZE-1]='\0';
168 if (set_deltaarg(&rrd,RRA_delta_pos,optarg)) {
174 if (set_deltaarg(&rrd,RRA_delta_neg,optarg)) {
180 if (set_windowarg(&rrd,RRA_failure_threshold,optarg)) {
186 if (set_windowarg(&rrd,RRA_window_len,optarg)) {
192 if (set_hwarg(&rrd,CF_HWPREDICT,RRA_hw_alpha,optarg)) {
198 if (set_hwarg(&rrd,CF_HWPREDICT,RRA_hw_beta,optarg)) {
204 if (set_hwarg(&rrd,CF_SEASONAL,RRA_seasonal_gamma,optarg)) {
211 rrd_set_error("unknown option '%c'", optopt);
213 rrd_set_error("unknown option '%s'",argv[optind-1]);
221 fseek(rrd_file,0,SEEK_SET);
222 fwrite(rrd.stat_head,
223 sizeof(stat_head_t),1, rrd_file);
225 sizeof(ds_def_t), rrd.stat_head->ds_cnt, rrd_file);
226 /* need to write rra_defs for RRA parameter changes */
227 fwrite(rrd.rra_def, sizeof(rra_def_t), rrd.stat_head->rra_cnt,
231 for(i=0;i< rrd.stat_head->ds_cnt;i++)
232 printf("DS[%s] typ: %s\thbt: %ld\tmin: %1.4f\tmax: %1.4f\n",
233 rrd.ds_def[i].ds_nam,
235 rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt,
236 rrd.ds_def[i].par[DS_min_val].u_val,
237 rrd.ds_def[i].par[DS_max_val].u_val);
244 int set_hwarg(rrd_t *rrd,enum cf_en cf,enum rra_par_en rra_par,char *arg)
248 signed short rra_idx = -1, devseasonal_idx = -1;
251 if (param <= 0.0 || param >= 1.0)
253 rrd_set_error("Holt-Winters parameter must be between 0 and 1");
256 /* does the appropriate RRA exist? */
257 for (i = 0; i < rrd -> stat_head -> rra_cnt; ++i)
259 if (cf_conv(rrd -> rra_def[i].cf_nam) == cf)
263 /* find the DEVSEASONAL index separately, as it is optional */
264 if (cf_conv(rrd -> rra_def[i].cf_nam) == CF_DEVSEASONAL)
271 rrd_set_error("Holt-Winters RRA does not exist in this RRD");
276 rrd -> rra_def[rra_idx].par[rra_par].u_val = param;
277 if (devseasonal_idx > -1)
278 rrd -> rra_def[devseasonal_idx].par[rra_par].u_val = param;
282 int set_deltaarg(rrd_t *rrd,enum rra_par_en rra_par,char *arg)
286 signed short rra_idx = -1;
291 rrd_set_error("Parameter specified is too small");
294 /* does the appropriate RRA exist? */
295 for (i = 0; i < rrd -> stat_head -> rra_cnt; ++i)
297 if (cf_conv(rrd -> rra_def[i].cf_nam) == CF_FAILURES)
305 rrd_set_error("Failures RRA does not exist in this RRD");
310 rrd -> rra_def[rra_idx].par[rra_par].u_val = param;
314 int set_windowarg(rrd_t *rrd,enum rra_par_en rra_par,char *arg)
317 unsigned long i, cdp_idx;
318 signed short rra_idx = -1;
321 /* there are 4 chars to a long, reserve on CDP entry for future
323 if (param < 1 || param > MAX_FAILURES_WINDOW_LEN)
325 rrd_set_error("Parameter must be between %d and %d",
326 1, MAX_CDP_PAR_EN - 1);
329 /* does the appropriate RRA exist? */
330 for (i = 0; i < rrd -> stat_head -> rra_cnt; ++i)
332 if (cf_conv(rrd -> rra_def[i].cf_nam) == CF_FAILURES)
340 rrd_set_error("Failures RRA does not exist in this RRD");
345 rrd -> rra_def[rra_idx].par[rra_par].u_cnt = param;
347 /* erase existing violations */
348 for (i = 0; i < rrd -> stat_head -> ds_cnt; i++)
350 cdp_idx = rra_idx * (rrd -> stat_head -> ds_cnt) + i;
351 erase_violations(rrd,cdp_idx,rra_idx);